What is the meaning of triangular ruler?

Is 1000 kilometers greater than 5 meters? What is 62.7 minus 43.85? How do you solve a2 -4a0? The length of a rectangle is 3 cm more than 2 times its width If the area of the rectangle is 93 square centimeters find the width of the rectangle to the nearest thousandth? How do you measure the internal diameter of a bottle? What prime number ends with a 0? What angle is equal to 100 degrees? How do you write 31.234 in word form? What is 0.455? How do you round 15.06 to the nearest hundredth? How many people should confirm the accuracy of facts and validity of assumptions during the problem solving process? What is the geometric symbol for skew lines? Why does 123 show as outgoing call? What is the remainder of 1034 divided by 45? Is 1.3 and 1.300 the same? How is a square pyramid like a cone? What is the percent increase between 250 and 275? What is the difference and similarities between a rectangle and parallelogram? What does it mean t respect property? Does a octagon have a at least one right side?